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2 years ago

Which statement accurately explains whether a reflection over the x-axis and a 180° rotation would map figure ACB

Mathematics

1 answer:

Eddi Din [679]2 years ago

7 0

Answer: 360 $degree$

Step-by-step explanation:

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Half - life is

Aleonysh [2.5K]

Answer:

the amount of time it takes for approximately 50% of a radioactive atom sample to undergo nuclear decay

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3 years ago

7. Solve the equation using the quadratic formula.<br> 3x^2 = 2(2x+1)

suter [353]

Answer:

$\rm x = \dfrac{2+\sqrt{10}}{3},\dfrac{2-\sqrt{10}}{3}$

Step-by-step explanation:

A quadratic equation is given to us and we need to solve the equation using the quadratic formula . The given equation is ,

$\rm\implies 3x^2=2(2x+1)$

Open the brackets in RHS ,

$\rm\implies 3x^2= 4x + 2$

Transpose all the terms to LHS ,

$\rm\implies 3x^2-4x-2=0$

The general form of a quadratic equation is ax² + bx + c = 0 , and the roots of the equation by the Quadratic Formula ( Shreedhacharya's Formula ) is given by ,

$\rm\implies\red{ x =\dfrac{-b\pm \sqrt{b^2-4ac}}{2a}}$

Using the quadratic formula , we have ,

$\rm\implies x =\dfrac{-(-4) \pm \sqrt{(-4)^2-4(3)(-2) }}{2(3)}$

Simplify ,

$\rm\implies x =\dfrac{4 \pm \sqrt{16+24 }}{6}$

$\rm\implies x = \dfrac{4\pm \sqrt{40}}{6}$

$\rm\implies x =\dfrac{4\pm 2\sqrt{10}}{6}$

$\rm\implies\boxed{\pink{\frak{ x = \dfrac{2+\sqrt{10}}{3},\dfrac{2-\sqrt{10}}{3}}}}$

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2 years ago

Elliot put 7 cups of tea into the pitcher shown. How many more cups of tea does he need to fill the pitcher?

sukhopar [10]

Answer: The Answer would be 9.

Step-by-step explanation:

Since there is only 7 and the empty space is 2 cups, The answer would be 9. 7 + 2 = 9.

8 0

3 years ago

What is this percent in simplest form? 15 3/5%=

Paul [167]

Answer:

0.156

Step-by-step explanation:

15 3/5%=(15+ 0.6)/100=15.6/100=0.156

5 0

2 years ago

Find the greatest common factor of the following monomial.<br> 37x^3y^6 x^6y^2

nordsb [41]

<span>37x^3y^6 and x^6y^2
</span>greatest common factor: x^3y^2

7 0

3 years ago